com.doculibre.constellio.services.FeaturedLinkServicesImpl.java Source code

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Here is the source code for com.doculibre.constellio.services.FeaturedLinkServicesImpl.java

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/**
 * Constellio, Open Source Enterprise Search
 * Copyright (C) 2010 DocuLibre inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package com.doculibre.constellio.services;

import java.math.BigInteger;

import javax.persistence.EntityManager;
import javax.persistence.NoResultException;
import javax.persistence.Query;

import org.apache.commons.lang.StringUtils;

import com.doculibre.constellio.entities.FeaturedLink;
import com.doculibre.constellio.entities.RecordCollection;
import com.doculibre.constellio.utils.AnalyzerUtils;
import com.doculibre.constellio.utils.ConstellioSpringUtils;
import com.doculibre.constellio.utils.persistence.ConstellioPersistenceContext;

public class FeaturedLinkServicesImpl extends BaseCRUDServicesImpl<FeaturedLink> implements FeaturedLinkServices {

    public FeaturedLinkServicesImpl(EntityManager entityManager) {
        super(FeaturedLink.class, entityManager);
    }

    @Override
    public FeaturedLink suggest(String text, RecordCollection collection) {
        FeaturedLink suggestion;
        EntityManager entityManager = ConstellioPersistenceContext.getCurrentEntityManager();

        String analyzedText;
        try {
            analyzedText = AnalyzerUtils.analyze(text, collection);
        } catch (Exception e) {
            analyzedText = null;
        }

        if (StringUtils.isNotBlank(analyzedText)) {
            StringBuffer sql = new StringBuffer();
            sql.append("SELECT FL.id FROM FeaturedLink FL, FeaturedLink_KeywordsAnalyzed FLK, RecordCollection RC");
            sql.append(" WHERE FLK.FeaturedLink_id=FL.id AND FL.RecordCollection_id=RC.id");
            sql.append(" AND RC.id=? AND FLK.keyword=?");

            Query sqlQuery = entityManager.createNativeQuery(sql.toString());
            sqlQuery.setMaxResults(1);
            sqlQuery.setParameter(1, collection.getId());
            sqlQuery.setParameter(2, analyzedText);

            try {
                BigInteger featuredLinkId = (BigInteger) sqlQuery.getSingleResult();
                suggestion = get(featuredLinkId.longValue());
            } catch (NoResultException e) {
                suggestion = null;
            }
        } else {
            suggestion = null;
        }
        return suggestion;
    }

    @Override
    public FeaturedLink makePersistent(FeaturedLink entity) {
        FeaturedLink result = super.makePersistent(entity);
        RecordCollectionServices collectionServices = ConstellioSpringUtils.getRecordCollectionServices();
        RecordCollection collection = entity.getRecordCollection();
        collectionServices.makePersistent(collection, false);
        return result;
    }

    @Override
    public FeaturedLink makeTransient(FeaturedLink entity) {
        RecordCollectionServices collectionServices = ConstellioSpringUtils.getRecordCollectionServices();
        RecordCollection collection = entity.getRecordCollection();
        collection.getFeaturedLinks().remove(entity);
        collectionServices.makePersistent(collection, false);
        return entity;
    }

}